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Finding the Fourth Proportional to 474,678.62, 654,926.95 and 270,655.13

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Solution

The fourth proportional to 474,678.62, 654,926.95 and 270,655.13 is: 373,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,678.62 : 654,926.95 = 270,655.13 : x
  2. Step 2: Convert to fraction form
    474,678.62/654,926.95 = 270,655.13/x
  3. Step 3: Cross multiply
    474,678.62x = 654,926.95 × 270,655.13
  4. Step 4: Simplify right side
    474,678.62x = 177,259,340,768.39
  5. Step 5: Solve for x
    x = 177,259,340,768.39/474,678.62
  6. Step 6: Final answer
    x = 373,430.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.